smear layer

smear layer

a layer (about 0.5-1.0-mcm thick) of grinding debris that is burnished to tooth enamel or dentin when the tooth is cut.

smear lay·er

(smēr lāĕr)

A layer of grinding debris that is burnished to tooth enamel or dentin when the tooth is cut.

smear layer,

n a thin layer with small crystalline characteristics. It appears on the surface of teeth that have undergone dental instrumentation procedures, including root planing and cutting done with a dental bur. Not easily rinsed away, it must be removed by acid etching.

In this regard, whereas erbium lasers efficiently remove organic material and smear layer and have a bactericidal effect, the Nd:YAG and diode lasers also exert an effective decontamination action.

The erbium laser has a number of useful attributes: bactericidal capacities, the ability to remove the smear layer and open the dentinal tubules, allowing hybrid layer formation, and then to seal and fuse them.

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